Purity Ring is playing Oberlin, Ohio on 4/5/13.
I saw Purity Ring a few months ago at Ace Of Cups here in Columbus. The live show was on of the best I have ever seen from an electronic group. They had these light cocoons that responded when different percussion items were struck which created quite the whimsical environment for the dream-pop duo.
The Creators Project caught up with Purity Ring and talked them about the cocoons in the below video:
You want to make something like this for your bedroom to enhance your sex life?
The Creators Project talked to the scientists at Tangible interactions who explain how this works.
Now if only someone could explain to me how magnets work.